Chart 1. The title is "Brisk Construction Activity Leaves Austin Office Market Vulnerable to Further Increases in Vacancy Rates." A scatter graph showing construction activity in square feet of office space under construction at year-end 2001 as a percentage of total rentable space and vacancy rate increase as the percentage point change in vacancy rate during 2001 for several cities. For the national average, construction activity was about 2.75 percent and vacancy rate increase was about 5.5 percent. For Albuquerque, construction activity was about 2.4 percent and vacancy rate increase was about 0.25 percent. For Oklahoma City, construction activity was 0 percent and vacancy rate increase was about 0.5 percent. For Fort Worth, construction activity was 2 percent and vacancy rate increase was about 1.75 percent. For Houston, construction activity was about 2.1 percent and vacancy rate increase was 2 percent. For Dallas, construction activity was about 2.1 percent and vacancy rate increase was about 5 percent. For Denver, construction activity was about 1.75 percent and vacancy rate increase was about 7.5 percent. For Austin, construction activity was about 7.5 percent and vacancy rate increase was about 15 percent.